NL6612492A - - Google Patents

Info

Publication number
NL6612492A
NL6612492A NL6612492A NL6612492A NL6612492A NL 6612492 A NL6612492 A NL 6612492A NL 6612492 A NL6612492 A NL 6612492A NL 6612492 A NL6612492 A NL 6612492A NL 6612492 A NL6612492 A NL 6612492A
Authority
NL
Netherlands
Application number
NL6612492A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of NL6612492A publication Critical patent/NL6612492A/xx

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B3/00Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/02Focusing arrangements of general interest for cameras, projectors or printers moving lens along baseboard
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/67Focus control based on electronic image sensor signals
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00Control of position or direction
    • G05D3/12Control of position or direction using feedback
    • G05D3/14Control of position or direction using feedback using an analogue comparing device
    • G05D3/1445Control of position or direction using feedback using an analogue comparing device with a plurality of loops
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00Control of position or direction
    • G05D3/12Control of position or direction using feedback
    • G05D3/14Control of position or direction using feedback using an analogue comparing device
    • G05D3/1472Control of position or direction using feedback using an analogue comparing device with potentiometer

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Lens Barrels (AREA)
NL6612492A 1965-09-03 1966-09-05 NL6612492A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB37663/65A GB1140566A (en) 1965-09-03 1965-09-03 Improvements in or relating to control systems

Publications (1)

Publication Number Publication Date
NL6612492A true NL6612492A (en) 1967-03-06

Family

ID=10398087

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6612492A NL6612492A (en) 1965-09-03 1966-09-05

Country Status (4)

Country Link
US (1) US3548731A (en)
DE (1) DE1522255A1 (en)
GB (1) GB1140566A (en)
NL (1) NL6612492A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1328487A (en) * 1971-02-09 1973-08-30 Rank Organisation Ltd Camera lens control mechanism
US3798517A (en) * 1971-12-22 1974-03-19 Rank Organisation Ltd Camera lens control mechanism
US4161756A (en) * 1976-03-19 1979-07-17 Jos. Schneider & Co. Optische Werke Control system for varifocal objective
EP0334003B1 (en) * 1988-03-18 1993-08-04 Hitachi, Ltd. Focusing apparatus for video camera or the like
US5408332A (en) * 1988-03-18 1995-04-18 Hitachi, Ltd. Focusing apparatus for video camera or the like
US5148199A (en) * 1990-02-08 1992-09-15 Asahi Kogaku Kogyo Kabushiki Kaisha Motor-driven zoom lens barrel
US9338363B1 (en) 2014-11-06 2016-05-10 General Electric Company Method and system for magnification correction from multiple focus planes

Also Published As

Publication number Publication date
DE1522255A1 (en) 1969-12-04
GB1140566A (en) 1969-01-22
US3548731A (en) 1970-12-22

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